﻿/*using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace 第五次作业
{
    internal class Class1
    {
        public bool isPrime(int n) {
            if (n <= 1)  return false;
            for(int i = 2; i < n; i++)
            {
                if(n%i==0) 
                return false;
            }        
            return true;
        }
        public  void sum_Prime(int n)
        {
            
            for (int i = 2; i < n/2; i++)
            {
                if (isPrime(i) && isPrime(n - i))
                {
                    Console.WriteLine(n+"="+i + "+" + (n - i));
                }
            }
        }
        static void Main(string[] args)
        {
            Class1 myclass=new Class1();
            for (int i = 6; i <= 100; i++)
            {
                myclass.sum_Prime(i);
            }
        }
    }
    
 }
*/